. >>> can a day pulled the last of its troops out of afghanistan this week. that brings us to our question of the week -- how many nations still have combat troops in afghanistan as part of the international security assist tansz force? is it 6, 16, 26 or 46? stay tuned and we'll tell you the correct answer. make sure you go to cnn.com/gps for ten more question and make sure you check out the global public square don't forget, you can also follow us on twitter and facebook. this week's "book of the week" is the "the last narco." it takes you deep into the life. now that bin laden is dead, this mexican drug kingpin is the number one most ban wanted man in the world, also on "forbes" list of the world's top billionaires. it's a fascinating look at the man. very well written. >>> we often think or politicians are always bickering. it might make you feel better to look at the case of australia, where it seems lawmakers have been literally been fighting like cats and dogs. listen to this. >> if i can finish now. >> why don't you meow when a woman does that. >> yes